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FJR Motorcycle Forums
Technical & Mechanical Problems
Tire Pressures
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<blockquote data-quote="Ignacio" data-source="post: 200252" data-attributes="member: 434"><p>I believe the formula is <a href="https://home.flash.net/~table/gasses/charles.htm" target="_blank">Charles Law</a> from my scuba diving frame of reference.</p><p></p><p>P1 x V1 P2 x V2</p><p></p><p>_______ = ________</p><p></p><p>T1 T2</p><p></p><p>(which doesn't paste over very well at all).</p><p></p><p>I did find this <a href="https://www.njscuba.net/gear/trng_12_calculators.html" target="_blank">Tank Temperature/Pressure calculator</a> that should work for our FJR's. Try changing the 3200 psi of a scuba tank to 42 psi for our tires and it's the same physics.</p><p></p><p>For example, a tire at 50 degrees with 42 psi will have 50 psi if the air inside the tire is 120 degrees. (Notice I say air inside and not tire tread temp)</p></blockquote><p></p>
[QUOTE="Ignacio, post: 200252, member: 434"] I believe the formula is [URL="https://home.flash.net/~table/gasses/charles.htm"]Charles Law[/URL] from my scuba diving frame of reference. P1 x V1 P2 x V2 _______ = ________ T1 T2 (which doesn't paste over very well at all). I did find this [URL="https://www.njscuba.net/gear/trng_12_calculators.html"]Tank Temperature/Pressure calculator[/URL] that should work for our FJR's. Try changing the 3200 psi of a scuba tank to 42 psi for our tires and it's the same physics. For example, a tire at 50 degrees with 42 psi will have 50 psi if the air inside the tire is 120 degrees. (Notice I say air inside and not tire tread temp) [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Tire Pressures
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